AR5006X WLAN System Architecture The industry’s most highly integrated WLAN solution, enables low-cost 802.11a/b/g products while maintaining range and throughput performance. Single chip 802.11a/b/g WLAN Solution ingle c 2.11 N So AR5006X A R5 00 X AR5006X Solution Highlights AR5413 Single-Chip CMOS MAC/Baseband/Radio • Highly integrated single chip CMOS solution with multiprotocol MAC/ baseband processor and 2.4/5 GHz radio • Uses digital CMOS technology exclusively, minimizing power consumption and cost while maximizing reliability • Support for IEEE 802.11a, 802.11b, 802.11g • 802.11e standard compatible bursting • Wireless Multimedia Quality of Service support (QoS) • Hardware encryption for the Wi-Fi Protected Access (WPA) and IEEE 802.11i security specifications, provides Advanced Encryption Sta ndard (AES), Temporal Key Integrity Protocol (TKIP) and Wired Equivalent Privacy (WEP) without performance degradation • Extended tuning range (2.300-2.500 & 4.900-5.850 GHz) for worldwide use • Dynamic Frequency Selection/Transmit Power Control (DFS/TPC) for international operation • Support for draft IEEE 802.11e, h, i and j standards • Atheros XR ™ eXtended Range technology to give Wi-Fi products twice the range of existing designs • Power-saving design imp rovements reduce system power consumption up to 98% • Support for IEEE 802.11a, 802.11b, 802.11g • Operates from 4.900 to 5.850 and 2.300 to 2.500 GHz • Advanced wideband receiver with best path sequencer for better range and multipath resistance than conventional equalizer-based designs • Integrated low-noise amplifier (LNA) • External PA and/or LNA can be used for special applications • Eliminates all IF filters and most RF filters; no external voltage-controlled oscillators (VCOs) or surface acoustic wave (SAW) filters needed • Enhanced transmit and receive chains • Atheros XR eXtended Range technology to give Wi-Fi products twice the range of existing designs • No external FLASH or RAM memory needed • PCI 2.3 and PC Card 7.1 host interfaces with DMA support • Integrated analog-to-digital and digital-to-analog converters • High speed UART with DMA supports data rates up to 1 Mbps • Serial EEPROM, LEDs, GPIOs peripheral interfaces • Low power operational and sleep modes